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87731096 = 2312179011
BaseRepresentation
bin1010011101010…
…10101110011000
320010002012102212
411032222232120
5134424343341
612412214252
72113462535
oct516525630
9203065385
1087731096
1145581742
122546a388
13152392bb
14b919d8c
157a7e5eb
hex53aab98

87731096 has 16 divisors (see below), whose sum is σ = 164649240. Its totient is φ = 43824640.

The previous prime is 87731089. The next prime is 87731117. The reversal of 87731096 is 69013778.

It is a super-2 number, since 2×877310962 = 15393490410722432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5231 + ... + 14241.

Almost surely, 287731096 is an apocalyptic number.

It is an amenable number.

87731096 is a deficient number, since it is larger than the sum of its proper divisors (76918144).

87731096 is a wasteful number, since it uses less digits than its factorization.

87731096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234 (or 10230 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 87731096 is about 9366.4879223752. The cubic root of 87731096 is about 444.3424974134.

The spelling of 87731096 in words is "eighty-seven million, seven hundred thirty-one thousand, ninety-six".

Divisors: 1 2 4 8 1217 2434 4868 9011 9736 18022 36044 72088 10966387 21932774 43865548 87731096